/*
 * Copyright (c) 2008, Yifu Huang
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of SleekIce nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.sleekice.object;

import java.awt.geom.Point2D;

/**
 * Represents a solid entity. It has round and square collision.
 */
public abstract class SolidEntity extends Entity {
    
    private Boundary bounds;
    /* the offset of the boundary from the position of the entity */
    private double boundsXOffSet;
    private double boundsYOffSet;
    
    public SolidEntity() {
        this(new Point2D.Double(0,0),new Velocity());
    }
    public SolidEntity(Point2D pos) {
        this(pos,new Velocity());
    }
    public SolidEntity(Velocity velocity) {
        this(new Point2D.Double(0,0),velocity);
    }
    public SolidEntity(Point2D pos, Velocity velocity) {
        /* assign default boundary to this entity
         * this is 100x100 and centered to the entity position
         */
        this(pos, velocity,new Boundary(pos.getX()-50,pos.getY()-50,100,100));
    }
    public SolidEntity(Point2D pos, Velocity velocity, Boundary bounds) {
        super(pos, velocity);
        assignBoundary(bounds);
    }
    
    /**
     * Assigns a boundary to this entity. The location of the boundary will
     * follow the entity's location.
     */
    public void assignBoundary(Boundary bounds) {
        this.bounds = bounds;
        boundsXOffSet = bounds.getBounds().getX()-pos.getX();
        boundsYOffSet = bounds.getBounds().getY()-pos.getY();
    }
    
    public Boundary getBoundary() {
        return bounds;
    }
    
    @Override
    public void setLocation(double x, double y) {
        super.setLocation(x, y);
        bounds.setLocation(x+boundsXOffSet,y+boundsYOffSet);
    }
}
